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Are these points collinear? a) A(-1, –2), B(3, 2), and C(5, 5) b) D(a, c – d), E(b, c), and F(2b — а, с + d)

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter10: Analytic Geometry

Section10.2: Graphs Of Linear Equations And Slope

Problem 15E: Are these points collinear? a A-2,5, B0,2, and C4,-4 b D-1,-1, E2,-2, and F5,-5

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Question

Are these points collinear?
a) A(-1, –2), B(3, 2), and C(5, 5)
b) D(a, c – d), E(b, c), and F(2b
— а, с + d)

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